/*
 * Copyright (c) 2010, Katholieke Universiteit Leuven
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice,
 *       this list of conditions and the following disclaimer in the documentation
 *       and/or other materials provided with the distribution.
 *     * Neither the name of the Katholieke Universiteit Leuven nor the names of
 *       its contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef __LOOCI_GWAPI_EVENTS_H__
#define __LOOCI_GWAPI_EVENTS_H__

#include <stdbool.h>
#include <arpa/inet.h>

#define LOOCI_EVENT_PAYLOAD_MAXLEN 40
#define LOOCI_NODEID_STRLEN INET6_ADDRSTRLEN

struct looci_event {
  uint8_t type;
  char source_node[LOOCI_NODEID_STRLEN];
  uint8_t source_cid;
  uint8_t len;
  char payload[LOOCI_EVENT_PAYLOAD_MAXLEN];
};

/**
 * Receive an event. Blocks until an event is received
 *
 * @param event Pointer to a struct event where the received event will be copied to.
 *
 * @return 'true' if successfull, 'false' otherwise
 */
bool looci_receive_event(struct looci_event * event);

/**
 * Send an event to a specified destination.
 *
 * @param destinationNodeID The destination node id.
 * @param type The eventSequenceNumber.
 * @param len The length of the payload.
 * @param payload Pointer to the payload.
 *
 * @return 'true' if the event was succesfully sent, 'false' otherwise
 */
bool looci_send_event_to(char * destinationNodeID, uint8_t type, uint8_t len, void * payload);

#endif // __LOOCI_GWAPI_EVENTS_H__
